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POI click the button ,can add a data to the listView
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  1. POI click the button ,can add a data to the listView
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    copied!<p>I set one Gribview and one listview in an Activity,In the Gridview there is a TextView and a Button,What I want do is ,<strong>when I click the button ,can add a data to the listView</strong> .and the button and listView in different layout files.</p> <p>the xml code is :</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/root" android:orientation="vertical" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="5dp" android:descendantFocusability="blocksDescendants" &gt; &lt;ImageView android:id="@+id/image" android:layout_width="180dp" android:layout_height="160dp" android:layout_gravity="fill" android:padding="4dp" android:scaleType="fitXY" /&gt; &lt;LinearLayout android:orientation="horizontal" android:layout_width="wrap_content" android:layout_height="wrap_content"&gt; &lt;LinearLayout android:orientation="vertical" android:layout_weight="1" android:layout_width="wrap_content" android:layout_height="wrap_content"&gt; &lt;TextView android:id="@+id/title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:gravity="center_horizontal" android:text="prices" /&gt; &lt;TextView android:id="@+id/prices" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:gravity="center_horizontal" android:text="name" /&gt; &lt;/LinearLayout&gt; &lt;LinearLayout android:layout_width="0.0dip" android:layout_height="wrap_content" android:layout_weight="9" /&gt; &lt;Button android:id="@+id/add" android:layout_width="45dip" android:layout_height="45dip" android:layout_gravity="center" android:gravity="center_horizontal" android:text="+" android:layout_weight="0.2" android:textSize="12pt" /&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; </code></pre> <p>I want to realize when I click the button ,the sequence number of the image I pick can add to the listView.</p> <p><strong>ADD:</strong></p> <p>maybe I didn't say it clear.I have gridView and listView in one layout file.In the gridView I define an layout file ,which contain an ImageView and a Button.What I realize is ,when the app run,I have obtain the button's action in getView,What I want:in button events ,<strong>how to write the position values in listView</strong>.I haven't got the solution yet ,it really bother me ,thankx for any help.</p> <p><strong>ADD2</strong>:</p> <p>Now I have achieved the <code>adapter.notifyDataSetChanged()</code>adding data in ListView.but I don't know how to obtain the string variable in Acitivity,the string variable is given by text(<code>TextView android:id="@+id/prices"</code>) in ListView to Activity.When I refresh View(<code>adapter.notifyDataSetChanged()</code>),I get "0". why?could anyone help?thank a lot.</p>
 

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